Union of http://hl7.org/fhir/StructureDefinition/SimpleQuantity and http://hl7.org/fhir/StructureDefinition/SimpleQuantity

This is the set of resources that conform to either of the profiles SimpleQuantity (http://hl7.org/fhir/StructureDefinition/SimpleQuantity) and SimpleQuantity (http://hl7.org/fhir/StructureDefinition/SimpleQuantity). E.g. what you have to deal with if you get resources conforming to one of them

Structure

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Quantity	C	0..*		A fixed quantity (no comparator) ele-1: All FHIR elements must have a @value or children qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
extension		0..*	Extension	Additional content defined by implementations ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
value	Σ	0..1	decimal	Numerical value (with implicit precision) ele-1: All FHIR elements must have a @value or children
unit	Σ	0..1	string	Unit representation ele-1: All FHIR elements must have a @value or children
system	Σ	0..1	uri	System that defines coded unit form ele-1: All FHIR elements must have a @value or children
code	Σ	0..1	code	Coded form of the unit ele-1: All FHIR elements must have a @value or children
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